Seiko Presage x Automatic ft. 145th Anniversary aka Classic Series (Limited Edition of 2,500 Pieces) Men Formal Round 100m Water Resistant Watch HCC004J1 HCC004 HCC-004 HCC-004J1 Celebrate Seiko 145th anniversary with the Presage Classic Series HCC004, a limited edition of 2,500 pieces featuring a 36mm stainless steel case and a textured white dial inspired by refined silk. Powered by the automatic 6R51 caliber with a 72-hour power reserve, it offers a dual-curved sapphire crystal, dark blue leather strap, and 10 bar water resistance. Caliber Number / Movement 6R51 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 72 hours (+25 to -15 seconds per day) Crystal Sapphire crystal (dual-curved, anti-reflective coating) Luminous Nil Case / Band Material Stainless steel (super hard coating) case with leather (calfskin) band (deployment clasp with push-button release) Water Resistance 100m / 10 bar Case Size Thickness: 12.5 mm Diameter: 36.0 mm Length: 41.4 mm Lug width: 18.0 mm Other Specifications Seiko Presage x Automatic ft. 145th Anniversary aka Classic Series (Limited Edition of 2,500 Pieces) Made in Japan LIMITED EDITION on the case back Magnetic resistance (4,800 A/m) See-through case back Screw case back 24 jewels Stop second hand function (hacking mechanism) Regular timekeeping (analog display)